How to "mix" textures?

Hello.
Now I’ve added some material with normals to my floor and see, that floor looks like as if the same texture is repeated many times.

Is it possible randomly mix one (one by it self) or more (one to another) textures for more natural ground look?

http://s6.postimg.org/o8a0ukprl/screenshot_111.png

There are a couple of ways to hide repeating textures. One is using a grunge or smoke alpha map as the Alpha input of a Lerp node to mix 2 textures with different tiling and pattern. You can find examples of this in most of the Epic contents. Another one is mesh painting, which requres the mesh to have a more dense topology in order to paint easily.

Can you show me an examples of BPs? :slight_smile:

Can anybody tell me, how to do this?
Thank you.

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Still not resolved

This is how I do it. Might help:
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